Combined wristwatch and count-down timer



FIG. 1 is a left front perspective view of a combined wristwatch and count-down timer, showing my new design;

FIG. 2 is a front plan view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a bottom plan elevational view thereof;

FIG. 6 is a top plan elevational view thereof;

FIG. 7 is a rear plan view thereof. 

The ornamental design for a combined wristwatch and count-down timer, as shown and described. 